Spotlight class

A Spotlight. The child argument must not be null. Fill the whole with the specified color, Spotlight with radius to center and draw description on screen. If animation is true, appears slowly. Spotlight is not displayed if enabled is false. Default is true. Call onTap when the screen is tapped. By default, gestures are not notified to child under the screen. If you want to notify you, specify ignoring as false.

Inheritance

• Object
• DiagnosticableTree
• Widget
• StatefulWidget
• Spotlight

Constructors

Spotlight({Key? key, required Widget child, double? radius, Offset? center, Color? color, Widget? description, bool animation = false, bool enabled = true, GestureTapCallback? onTap, bool ignoring = true})

Creates an object.

Properties

animation → bool

final

center → Offset?

final

child → Widget

final

color → Color?

final

description → Widget?

final

enabled → bool

final

hashCode → int

The hash code for this object.

no setter, inherited

ignoring → bool

final

key → Key?

Controls how one widget replaces another widget in the tree.

final, inherited

onTap → GestureTapCallback?

final

radius → double?

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

createElement() → StatefulElement

Creates a StatefulElement to manage this widget's location in the tree.

inherited

createState() → SpotlightState

Creates the mutable state for this widget at a given location in the tree.

override

debugDescribeChildren() → List<DiagnosticsNode>

Returns a list of DiagnosticsNode objects describing this node's children.

inherited

debugFillProperties(DiagnosticPropertiesBuilder properties) → void

Add additional properties associated with the node.

inherited

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toDiagnosticsNode({String? name, DiagnosticsTreeStyle? style}) → DiagnosticsNode

Returns a debug representation of the object that is used by debugging tools and by DiagnosticsNode.toStringDeep.

inherited

toString({DiagnosticLevel minLevel = DiagnosticLevel.info}) → String

A string representation of this object.

inherited

toStringDeep({String prefixLineOne = '', String? prefixOtherLines, DiagnosticLevel minLevel = DiagnosticLevel.debug}) → String

Returns a string representation of this node and its descendants.

inherited

toStringShallow({String joiner = ', ', DiagnosticLevel minLevel = DiagnosticLevel.debug}) → String

Returns a one-line detailed description of the object.

inherited

toStringShort() → String

A short, textual description of this widget.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Methods

calcRadius(Rect? target) → double

Calculate target radius.

getRectFromKey(GlobalKey<State<StatefulWidget>>? globalKey) → Rect?

Get Rect from GlobalKey.